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Round|Natural|GIA

1.30ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1525054048

Certificate GIA 1525054048

Diamond specifications and retailer prices

From £1,309 GBP
HK$13,700 HKD
As of October 30, 2026
Save £915 GBP (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,724 GBP at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1525054048. Listed at 9 retailers as of October 30, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1525054048
Dimensions6.94 × 7.00 × 4.35 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
6.94 mm7.00 mm1.30 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1525054048
Side View
Table 58.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,344 GBP|Low: £1,309 GBP|High: £2,224 GBP|Avg: £1,789 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4£1,309 GBP
Retailer 1£1,344 GBP
Retailer 3£1,609 GBP
Retailer 5£1,874 GBP
Retailer 6£2,120 GBP
Retailer 2£2,224 GBP

45 data points across 6 retailers

9 retailers£1,309 GBP to £2,224 GBP

A
Cheapest Retailer
-
£1,309 GBP
HK$13,700 HKD
A
Retailer 2
-
£1,344 GBP
₹171,468 INR
View
A
Retailer 3
-
£1,609 GBP
$2,156 USD
View
Retailer 4
-
£1,781 GBP
$2,387 USD
View
Price last confirmed 23 days ago
Retailer 5
-
£1,864 GBP
$2,497 USD
View
Price last confirmed 31 days ago
A
Retailer 6
-
£1,874 GBP
$2,510 USD
View
Retailer 7
-
£2,055 GBP
$2,754 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
£2,224 GBP
€2,838 EUR
View
Most Expensive
NZ Jewellers
d8b93cb0-7af4-44a8-9992-f16cd0eeeb89 · Oct 3
£3,724 GBP
$4,990 USD
View
Price last confirmed 28 days ago
8 more retailers have this diamond
Prices start from £1,309 GBPSave up to £915 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Round
£1,309 GBP